Microsemi Corporation
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1N4621UR-1
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1N4621UR-1

Product Overview

Category

The 1N4621UR-1 belongs to the category of semiconductor diodes.

Use

It is commonly used in electronic circuits for rectification and voltage regulation.

Characteristics

  • Low forward voltage drop
  • High current capability
  • Fast switching speed

Package

The 1N4621UR-1 is typically available in a DO-41 package.

Essence

This diode is essential for converting alternating current (AC) to direct current (DC) in various electronic applications.

Packaging/Quantity

It is usually packaged in reels or tubes, with quantities varying based on manufacturer specifications.

Specifications

  • Maximum Reverse Voltage: 100V
  • Average Rectified Current: 1A
  • Forward Voltage Drop: 1V at 1A
  • Reverse Recovery Time: 4ns

Detailed Pin Configuration

The 1N4621UR-1 has two pins, anode, and cathode. The anode is connected to the positive terminal, while the cathode is connected to the negative terminal.

Functional Features

  • Efficient rectification of AC to DC
  • Fast response time
  • Low power dissipation

Advantages

  • Reliable voltage regulation
  • Compact size
  • Wide operating temperature range

Disadvantages

  • Limited reverse voltage tolerance
  • Susceptible to thermal runaway under high currents

Working Principles

When a positive voltage is applied to the anode with respect to the cathode, the diode conducts and allows current to flow in the forward direction. In the reverse bias condition, the diode blocks the flow of current.

Detailed Application Field Plans

The 1N4621UR-1 is widely used in: - Power supplies - Battery chargers - Voltage regulators - LED lighting circuits

Detailed and Complete Alternative Models

Some alternative models to the 1N4621UR-1 include: - 1N4001 - 1N4148 - 1N5408 - 1N5819

In conclusion, the 1N4621UR-1 diode is a crucial component in electronic circuits, providing efficient rectification and voltage regulation. Its compact size and reliable performance make it suitable for various applications in the electronics industry.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací 1N4621UR-1 v technických řešeních

Sure, here are 10 common questions and answers related to the application of 1N4621UR-1 in technical solutions:

  1. What is the 1N4621UR-1 diode used for?

    • The 1N4621UR-1 is a high-reliability, ultra-fast recovery rectifier diode commonly used in power supply and switching applications.

  2. What is the maximum forward voltage drop of the 1N4621UR-1?

    • The maximum forward voltage drop of the 1N4621UR-1 diode is typically around 1.7 volts at a forward current of 1 ampere.

  3. What is the reverse recovery time of the 1N4621UR-1 diode?

    • The reverse recovery time of the 1N4621UR-1 diode is very fast, typically in the range of nanoseconds, making it suitable for high-frequency applications.

  4. What is the maximum reverse voltage rating of the 1N4621UR-1?

    • The 1N4621UR-1 diode has a maximum reverse voltage rating of 100 volts, making it suitable for low to medium voltage applications.

  5. Can the 1N4621UR-1 be used in flyback converter circuits?

    • Yes, the 1N4621UR-1 diode is well-suited for use in flyback converter circuits due to its fast recovery time and high reliability.

  6. Is the 1N4621UR-1 suitable for high-temperature environments?

    • Yes, the 1N4621UR-1 is designed to operate reliably at elevated temperatures, making it suitable for use in high-temperature environments.

  7. What is the typical junction capacitance of the 1N4621UR-1 diode?

    • The typical junction capacitance of the 1N4621UR-1 diode is around 15 picofarads at a reverse bias of 4 volts.

  8. Can the 1N4621UR-1 be used in snubber circuits?

    • Yes, the 1N4621UR-1 diode can be used in snubber circuits to suppress voltage transients and reduce switching losses in power electronic systems.

  9. What is the maximum forward surge current rating of the 1N4621UR-1?

    • The 1N4621UR-1 diode has a maximum forward surge current rating of 30 amperes, allowing it to withstand short-duration overloads.

  10. Is the 1N4621UR-1 RoHS compliant?

    • Yes, the 1N4621UR-1 diode is RoHS compliant, meeting the requirements for restriction of hazardous substances in electronic components.

I hope these questions and answers provide the information you were looking for! If you have any more questions, feel free to ask.